Space.com #Not It! Supernova Thought To Be Witnessed In 386 CE Would Have Been Too Faint | Video 17 August 2016 fborgosano Leave a comment Share: Chinese astronomers witnessed a supernova in the 4th century and studies have suggested Supernova remnant G11.2-0.3 was created from it. from Space.com ift.tt/2bnDQqv Share: